Update README.md

Author: Vikramkurma

cloud-infrastructure/networking/network-firewall/README.md

@@ -7,18 +7,13 @@ OCI's network and application layer security controls currently has the followin
     Advanced Egress Security Controls
     Advanced Network Firewall Features
 
-## When to use this asset?
-These documents can be use as reusable assets on different technologies around OCI Network Firewall
-
-## How to use this asset?
-The information is generic in nature and not specified for a particular customer. Appropriate changes in scope should be updated.
 
 
 # Table of Contents
 
 1. [Useful Links](#useful-links)
 2. [Team Publications](#team-publications)
-3. [Reusable Assets Overview](#reusable-assets-overviewdef)
+
 
 ## Useful Links